You'll need to know your model of machine to check compatibility, or if you'd like tailored assistance in regards to brew queries or troubleshooting.
You should be able to find these details in the manual that came with your machine. If you no longer have the manual, generally you'll be able to find a sticker under the base of your machine with the model details - you'll then be able to search online to confirm your model details.
If you're unsure, you can simply send us an image of the sticker, or the code and we'll confirm what your machine is for you.
Here are some examples of where to look for the model code on your machine sticker: